He escaped censure during the match because the incident was not spotted by the match officials. But club officials will now have studied the shameful video evidence and regardless of any punishment dished out by the FA must take action themselves.

That is unlikely. Despite the excessive baggage which accompanies him, Suarez is a world class talent – and there is precedent for other flawed geniuses like Eric Cantona overcoming other equally shocking controversies and successfully remaining at their clubs.